@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("fonts/inter-latin.woff2") format("woff2");
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

/*
 * Ledger Ink: the public landing page. Plain CSS, self-contained; nothing is shared with the
 * app. Colour pairs used for text are WCAG AA checked; brass is
 * decoration only, except as text on ink.
 */

.page {
  --ink: #1B2A41;
  --paper: #F7F4EC;
  --card: #FFFDF8;
  --border: #E4DDCB;
  --muted: #56627A;
  --ledger: #3E6D9C;
  --ledger-hover: #355D85;
  --brass: #B08D57;
  --on-ink-muted: #B7C0CE;
  --rule: rgb(62 109 156 / 0.25);

  --ok: #2F6B4F; --ok-bg: #EAEEE7; --ok-border: #B0C6B8;
  --warn: #B54708; --warn-bg: #F8EBE0; --warn-border: #E3B89D;
  --danger: #A4262C; --danger-bg: #F6E8E4; --danger-border: #DCABAA;
  --info: #3E6D9C; --info-bg: #ECEFEF; --info-border: #B6C6D5;
  --neutral: #56627A; --neutral-bg: #F0EFED; --neutral-border: #BFC2C8;

  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.5;
}

.page :focus-visible {
  outline: 2px solid var(--ledger);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 20;
  padding: 12px 16px;
  background: var(--card);
  color: var(--ledger);
  border: 1px solid var(--ledger);
  border-radius: 6px;
}
.skip:focus { top: 12px; }

.wrap {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Headings: 700, slightly tight, sentence case. */
.page h1, .page h2, .page h3 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0;
}
.page h1 { font-size: clamp(34px, 5vw, 52px); }
.page h2 { font-size: clamp(26px, 3.4vw, 36px); }
.page h3 { font-size: 19px; letter-spacing: -0.01em; }

.page a { color: var(--ledger); }
.page a:hover { color: var(--ledger-hover); }

/* The signature: a thin double brass rule, like ruled ledger paper. */
.doubleRule {
  height: 5px;
  border-top: 1px solid var(--brass);
  border-bottom: 1px solid var(--brass);
  margin: 0;
}

/* Buttons: at least 44px tall. */
.btnPrimary, .btnSecondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  white-space: nowrap;
}
.page .btnPrimary { background: var(--ledger); color: #fff; border: 1px solid var(--ledger); }
.page .btnPrimary:hover { background: var(--ledger-hover); border-color: var(--ledger-hover); color: #fff; }
.page .btnSecondary { background: transparent; color: var(--ledger); border: 1px solid var(--ledger); }
.page .btnSecondary:hover { color: var(--ledger-hover); border-color: var(--ledger-hover); }

/* Header */
.header {
  background: var(--ink);
  color: var(--paper);
  position: sticky;
  top: 0;
  z-index: 10;
}
.headerInner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 68px;
}
.page .wordmark {
  color: var(--paper);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.navDesktop {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.navList {
  display: flex;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page .navLink {
  color: var(--paper);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  font-size: 16px;
}
.page .navLink:hover { color: var(--on-ink-muted); text-decoration: underline; }
.page .navLink:focus-visible, .page .wordmark:focus-visible { outline-color: var(--on-ink-muted); }
.headerActions { display: flex; align-items: center; gap: 12px; margin-left: 12px; }

.menu { display: none; margin-left: auto; position: relative; }
.menu > summary {
  list-style: none;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--on-ink-muted);
  border-radius: 6px;
  color: var(--paper);
  font-weight: 600;
}
.menu > summary::-webkit-details-marker { display: none; }
.menu > summary:focus-visible { outline: 2px solid var(--on-ink-muted); outline-offset: 3px; }
.menuPanel {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: min(300px, calc(100vw - 32px));
  background: var(--ink);
  border: 1px solid var(--muted);
  border-radius: 6px;
  padding: 8px;
  display: grid;
  gap: 4px;
}
.menuPanel .navList { flex-direction: column; }
.menuPanel .btnPrimary { width: 100%; }

@media (max-width: 860px) {
  .navDesktop { display: none; }
  .menu { display: block; }
}

/* Hero */
.hero { padding: 64px 0 56px; }
.heroGrid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}
.lead {
  font-size: 19px;
  color: var(--muted);
  margin: 20px 0 28px;
  max-width: 34em;
}
.ctas { display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 900px) {
  .heroGrid { grid-template-columns: 1fr; gap: 40px; }
}

/* Cards and the ledger visual */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.ledger { padding: 20px 20px 8px; }
.ledgerHead {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.ledgerTitle { font-weight: 700; font-size: 16px; }
.exampleTag { font-size: 13px; color: var(--muted); }
.ledgerRows { list-style: none; margin: 0; padding: 0; }
.ledgerRow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
}
.ledgerRow:last-child { border-bottom: 0; }
.rowName { font-weight: 600; }
.rowMeta { color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums; }
.tiles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.tile { font-size: 13px; color: var(--muted); }
.tileValue { display: block; font-size: 24px; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }

/* Status pills: a word, never colour alone. */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
  border: 1px solid;
  white-space: nowrap;
}
.pill::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}
.ok { color: var(--ok); background: var(--ok-bg); border-color: var(--ok-border); }
.warn { color: var(--warn); background: var(--warn-bg); border-color: var(--warn-border); }
.danger { color: var(--danger); background: var(--danger-bg); border-color: var(--danger-border); }
.info { color: var(--info); background: var(--info-bg); border-color: var(--info-border); }
.neutral { color: var(--neutral); background: var(--neutral-bg); border-color: var(--neutral-border); }

/* Sections */
.section { padding: 72px 0; }
.sectionAlt { background: var(--card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.sectionHead { max-width: 44em; margin-bottom: 36px; }
.sectionHead .doubleRule { width: 72px; margin-bottom: 20px; }
.sectionIntro { color: var(--muted); margin: 14px 0 0; }

/* Modules: 3 → 2 → 1 columns */
.modules {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
@media (max-width: 1000px) { .modules { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .modules { grid-template-columns: 1fr; } }
.module { padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.moduleIcon {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  color: var(--ink);
  border: 1px solid var(--border);
  background: var(--paper);
}
.regulation { color: var(--muted); font-size: 15px; margin: 0; }
.moduleText { margin: 0; font-size: 16px; }
.moduleFoot { margin-top: auto; padding-top: 6px; }

/* How it works */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  counter-reset: step;
}
@media (max-width: 1000px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.step { padding: 24px; counter-increment: step; }
.step::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--ledger);
  color: var(--ledger);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  margin-bottom: 14px;
}
.step p { margin: 8px 0 0; color: var(--muted); font-size: 16px; }

/* The record: a dark ink section */
.record { background: var(--ink); color: var(--paper); }
.record .sectionIntro { color: var(--on-ink-muted); }
.recordGrid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 48px; align-items: start; }
@media (max-width: 900px) { .recordGrid { grid-template-columns: 1fr; } }
.brassLabel { color: var(--brass); font-weight: 600; font-size: 15px; margin: 0 0 10px; }
.recordPoints { margin: 24px 0 0; padding-left: 20px; color: var(--on-ink-muted); }
.recordPoints li { margin-bottom: 8px; }
.entries { list-style: none; margin: 0; padding: 20px; color: var(--ink); }
.entry {
  display: grid;
  grid-template-columns: 5.5em minmax(0, 1fr);
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
}
.entry:last-child { border-bottom: 0; }
.entryDate { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 14px; }
.entryTitle { font-weight: 600; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.entryDetail { color: var(--muted); margin-top: 4px; font-variant-numeric: tabular-nums; }
.superseded .entryDetail { text-decoration: line-through; text-decoration-color: var(--muted); }

/* Audiences */
.audiences { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 760px) { .audiences { grid-template-columns: 1fr; } }
.audience { padding: 28px; }
.audience p { margin: 10px 0 0; color: var(--muted); }

/* Closing band and footer */
.closing { background: var(--paper); padding: 72px 0; text-align: center; }
.closing .doubleRule { width: 120px; margin: 0 auto 24px; }
.closing .ctas { justify-content: center; margin-top: 24px; }
.footer { background: var(--ink); color: var(--on-ink-muted); padding: 40px 0; font-size: 15px; }
.footerGrid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; }
.footer .wordmark { color: var(--paper); }
.page .footer a { color: var(--paper); }
.footerList { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.placeholder { font-family: inherit; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  .btnPrimary, .btnSecondary, .navLink { transition: background-color 120ms ease, color 120ms ease, border-color 120ms ease; }
}

@media (max-width: 480px) {
  .wrap { padding: 0 16px; }
  .hero { padding-top: 40px; }
  .tiles { grid-template-columns: 1fr 1fr 1fr; }
  .ctas a { flex: 1 1 100%; }
}